1//===-- ARMPredicates.td - ARM Instruction Predicates ------*- tablegen -*-===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8 9def HasV4T : Predicate<"Subtarget->hasV4TOps()">, 10 AssemblerPredicate<(all_of HasV4TOps), "armv4t">; 11def NoV4T : Predicate<"!Subtarget->hasV4TOps()">; 12def HasV5T : Predicate<"Subtarget->hasV5TOps()">, 13 AssemblerPredicate<(all_of HasV5TOps), "armv5t">; 14def NoV5T : Predicate<"!Subtarget->hasV5TOps()">; 15def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">, 16 AssemblerPredicate<(all_of HasV5TEOps), "armv5te">; 17def HasV6 : Predicate<"Subtarget->hasV6Ops()">, 18 AssemblerPredicate<(all_of HasV6Ops), "armv6">; 19def NoV6 : Predicate<"!Subtarget->hasV6Ops()">; 20def HasV6M : Predicate<"Subtarget->hasV6MOps()">, 21 AssemblerPredicate<(all_of HasV6MOps), 22 "armv6m or armv6t2">; 23def HasV8MBaseline : Predicate<"Subtarget->hasV8MBaselineOps()">, 24 AssemblerPredicate<(all_of HasV8MBaselineOps), 25 "armv8m.base">; 26def HasV8MMainline : Predicate<"Subtarget->hasV8MMainlineOps()">, 27 AssemblerPredicate<(all_of HasV8MMainlineOps), 28 "armv8m.main">; 29def HasV8_1MMainline : Predicate<"Subtarget->hasV8_1MMainlineOps()">, 30 AssemblerPredicate<(all_of HasV8_1MMainlineOps), 31 "armv8.1m.main">; 32def HasMVEInt : Predicate<"Subtarget->hasMVEIntegerOps()">, 33 AssemblerPredicate<(all_of HasMVEIntegerOps), 34 "mve">; 35def HasMVEFloat : Predicate<"Subtarget->hasMVEFloatOps()">, 36 AssemblerPredicate<(all_of HasMVEFloatOps), 37 "mve.fp">; 38def HasCDE : Predicate<"Subtarget->hasCDEOps()">, 39 AssemblerPredicate<(all_of HasCDEOps), 40 "cde">; 41def HasFPRegs : Predicate<"Subtarget->hasFPRegs()">, 42 AssemblerPredicate<(all_of FeatureFPRegs), 43 "fp registers">; 44def HasFPRegs16 : Predicate<"Subtarget->hasFPRegs16()">, 45 AssemblerPredicate<(all_of FeatureFPRegs16), 46 "16-bit fp registers">; 47def HasNoFPRegs16 : Predicate<"!Subtarget->hasFPRegs16()">, 48 AssemblerPredicate<(all_of (not FeatureFPRegs16)), 49 "16-bit fp registers">; 50def HasFPRegs64 : Predicate<"Subtarget->hasFPRegs64()">, 51 AssemblerPredicate<(all_of FeatureFPRegs64), 52 "64-bit fp registers">; 53def HasFPRegsV8_1M : Predicate<"Subtarget->hasFPRegs() && Subtarget->hasV8_1MMainlineOps()">, 54 AssemblerPredicate<(all_of FeatureFPRegs, HasV8_1MMainlineOps), 55 "armv8.1m.main with FP or MVE">; 56def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">, 57 AssemblerPredicate<(all_of HasV6T2Ops), "armv6t2">; 58def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">; 59def HasV6K : Predicate<"Subtarget->hasV6KOps()">, 60 AssemblerPredicate<(all_of HasV6KOps), "armv6k">; 61def NoV6K : Predicate<"!Subtarget->hasV6KOps()">; 62def HasV7 : Predicate<"Subtarget->hasV7Ops()">, 63 AssemblerPredicate<(all_of HasV7Ops), "armv7">; 64def HasV8 : Predicate<"Subtarget->hasV8Ops()">, 65 AssemblerPredicate<(all_of HasV8Ops), "armv8">; 66def PreV8 : Predicate<"!Subtarget->hasV8Ops()">, 67 AssemblerPredicate<(all_of (not HasV8Ops)), "armv7 or earlier">; 68def HasV8_1a : Predicate<"Subtarget->hasV8_1aOps()">, 69 AssemblerPredicate<(all_of HasV8_1aOps), "armv8.1a">; 70def HasV8_2a : Predicate<"Subtarget->hasV8_2aOps()">, 71 AssemblerPredicate<(all_of HasV8_2aOps), "armv8.2a">; 72def HasV8_3a : Predicate<"Subtarget->hasV8_3aOps()">, 73 AssemblerPredicate<(all_of HasV8_3aOps), "armv8.3a">; 74def HasV8_4a : Predicate<"Subtarget->hasV8_4aOps()">, 75 AssemblerPredicate<(all_of HasV8_4aOps), "armv8.4a">; 76def HasV8_5a : Predicate<"Subtarget->hasV8_5aOps()">, 77 AssemblerPredicate<(all_of HasV8_5aOps), "armv8.5a">; 78def HasV8_6a : Predicate<"Subtarget->hasV8_6aOps()">, 79 AssemblerPredicate<(all_of HasV8_6aOps), "armv8.6a">; 80def HasV8_7a : Predicate<"Subtarget->hasV8_7aOps()">, 81 AssemblerPredicate<(all_of HasV8_7aOps), "armv8.7a">; 82def NoVFP : Predicate<"!Subtarget->hasVFP2Base()">; 83def HasVFP2 : Predicate<"Subtarget->hasVFP2Base()">, 84 AssemblerPredicate<(all_of FeatureVFP2_SP), "VFP2">; 85def HasVFP3 : Predicate<"Subtarget->hasVFP3Base()">, 86 AssemblerPredicate<(all_of FeatureVFP3_D16_SP), "VFP3">; 87def HasVFP4 : Predicate<"Subtarget->hasVFP4Base()">, 88 AssemblerPredicate<(all_of FeatureVFP4_D16_SP), "VFP4">; 89def HasDPVFP : Predicate<"Subtarget->hasFP64()">, 90 AssemblerPredicate<(all_of FeatureFP64), 91 "double precision VFP">; 92def HasFPARMv8 : Predicate<"Subtarget->hasFPARMv8Base()">, 93 AssemblerPredicate<(all_of FeatureFPARMv8_D16_SP), "FPARMv8">; 94def HasNEON : Predicate<"Subtarget->hasNEON()">, 95 AssemblerPredicate<(all_of FeatureNEON), "NEON">; 96def HasSHA2 : Predicate<"Subtarget->hasSHA2()">, 97 AssemblerPredicate<(all_of FeatureSHA2), "sha2">; 98def HasAES : Predicate<"Subtarget->hasAES()">, 99 AssemblerPredicate<(all_of FeatureAES), "aes">; 100def HasCrypto : Predicate<"Subtarget->hasCrypto()">, 101 AssemblerPredicate<(all_of FeatureCrypto), "crypto">; 102def HasDotProd : Predicate<"Subtarget->hasDotProd()">, 103 AssemblerPredicate<(all_of FeatureDotProd), "dotprod">; 104def HasCRC : Predicate<"Subtarget->hasCRC()">, 105 AssemblerPredicate<(all_of FeatureCRC), "crc">; 106def HasRAS : Predicate<"Subtarget->hasRAS()">, 107 AssemblerPredicate<(all_of FeatureRAS), "ras">; 108def HasLOB : Predicate<"Subtarget->hasLOB()">, 109 AssemblerPredicate<(all_of FeatureLOB), "lob">; 110def HasFP16 : Predicate<"Subtarget->hasFP16()">, 111 AssemblerPredicate<(all_of FeatureFP16),"half-float conversions">; 112def HasFullFP16 : Predicate<"Subtarget->hasFullFP16()">, 113 AssemblerPredicate<(all_of FeatureFullFP16),"full half-float">; 114def HasFP16FML : Predicate<"Subtarget->hasFP16FML()">, 115 AssemblerPredicate<(all_of FeatureFP16FML),"full half-float fml">; 116def HasBF16 : Predicate<"Subtarget->hasBF16()">, 117 AssemblerPredicate<(all_of FeatureBF16),"BFloat16 floating point extension">; 118def HasMatMulInt8 : Predicate<"Subtarget->hasMatMulInt8()">, 119 AssemblerPredicate<(all_of FeatureMatMulInt8),"8-bit integer matrix multiply">; 120def HasDivideInThumb : Predicate<"Subtarget->hasDivideInThumbMode()">, 121 AssemblerPredicate<(all_of FeatureHWDivThumb), "divide in THUMB">; 122def HasDivideInARM : Predicate<"Subtarget->hasDivideInARMMode()">, 123 AssemblerPredicate<(all_of FeatureHWDivARM), "divide in ARM">; 124def HasDSP : Predicate<"Subtarget->hasDSP()">, 125 AssemblerPredicate<(all_of FeatureDSP), "dsp">; 126def HasDB : Predicate<"Subtarget->hasDataBarrier()">, 127 AssemblerPredicate<(all_of FeatureDB), 128 "data-barriers">; 129def HasDFB : Predicate<"Subtarget->hasFullDataBarrier()">, 130 AssemblerPredicate<(all_of FeatureDFB), 131 "full-data-barrier">; 132def HasV7Clrex : Predicate<"Subtarget->hasV7Clrex()">, 133 AssemblerPredicate<(all_of FeatureV7Clrex), 134 "v7 clrex">; 135def HasAcquireRelease : Predicate<"Subtarget->hasAcquireRelease()">, 136 AssemblerPredicate<(all_of FeatureAcquireRelease), 137 "acquire/release">; 138def HasMP : Predicate<"Subtarget->hasMPExtension()">, 139 AssemblerPredicate<(all_of FeatureMP), 140 "mp-extensions">; 141def HasVirtualization: Predicate<"false">, 142 AssemblerPredicate<(all_of FeatureVirtualization), 143 "virtualization-extensions">; 144def HasTrustZone : Predicate<"Subtarget->hasTrustZone()">, 145 AssemblerPredicate<(all_of FeatureTrustZone), 146 "TrustZone">; 147def Has8MSecExt : Predicate<"Subtarget->has8MSecExt()">, 148 AssemblerPredicate<(all_of Feature8MSecExt), 149 "ARMv8-M Security Extensions">; 150def HasZCZ : Predicate<"Subtarget->hasZeroCycleZeroing()">; 151def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">; 152def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">; 153def IsThumb : Predicate<"Subtarget->isThumb()">, 154 AssemblerPredicate<(all_of ModeThumb), "thumb">; 155def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">; 156def IsThumb2 : Predicate<"Subtarget->isThumb2()">, 157 AssemblerPredicate<(all_of ModeThumb, FeatureThumb2), 158 "thumb2">; 159def IsMClass : Predicate<"Subtarget->isMClass()">, 160 AssemblerPredicate<(all_of FeatureMClass), "armv*m">; 161def IsNotMClass : Predicate<"!Subtarget->isMClass()">, 162 AssemblerPredicate<(all_of (not FeatureMClass)), 163 "!armv*m">; 164def IsARM : Predicate<"!Subtarget->isThumb()">, 165 AssemblerPredicate<(all_of (not ModeThumb)), "arm-mode">; 166def IsMachO : Predicate<"Subtarget->isTargetMachO()">; 167def IsNotMachO : Predicate<"!Subtarget->isTargetMachO()">; 168def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">; 169def IsWindows : Predicate<"Subtarget->isTargetWindows()">; 170def IsNotWindows : Predicate<"!Subtarget->isTargetWindows()">; 171def IsReadTPHard : Predicate<"Subtarget->isReadTPHard()">; 172def IsReadTPSoft : Predicate<"!Subtarget->isReadTPHard()">; 173def UseNaClTrap : Predicate<"Subtarget->useNaClTrap()">, 174 AssemblerPredicate<(all_of FeatureNaClTrap), "NaCl">; 175def DontUseNaClTrap : Predicate<"!Subtarget->useNaClTrap()">; 176 177def UseNegativeImmediates : 178 Predicate<"false">, 179 AssemblerPredicate<(all_of (not FeatureNoNegativeImmediates)), 180 "NegativeImmediates">; 181 182// FIXME: Eventually this will be just "hasV6T2Ops". 183let RecomputePerFunction = 1 in { 184 def UseMovt : Predicate<"Subtarget->useMovt()">; 185 def DontUseMovt : Predicate<"!Subtarget->useMovt()">; 186 def UseMovtInPic : Predicate<"Subtarget->useMovt() && Subtarget->allowPositionIndependentMovt()">; 187 def DontUseMovtInPic : Predicate<"!Subtarget->useMovt() || !Subtarget->allowPositionIndependentMovt()">; 188 189 def UseFPVMLx: Predicate<"((Subtarget->useFPVMLx() &&" 190 " TM.Options.AllowFPOpFusion != FPOpFusion::Fast) ||" 191 "Subtarget->hasMinSize())">; 192 def SLSBLRMitigation : Predicate<[{ MF->getSubtarget<ARMSubtarget>().hardenSlsBlr() }]>; 193 def NoSLSBLRMitigation : Predicate<[{ !MF->getSubtarget<ARMSubtarget>().hardenSlsBlr() }]>; 194 195} 196def UseMulOps : Predicate<"Subtarget->useMulOps()">; 197 198// Prefer fused MAC for fp mul + add over fp VMLA / VMLS if they are available. 199// But only select them if more precision in FP computation is allowed, and when 200// they are not slower than a mul + add sequence. 201// Do not use them for Darwin platforms. 202def UseFusedMAC : Predicate<"TM.Options.AllowFPOpFusion ==" 203 " FPOpFusion::Fast && " 204 "Subtarget->useFPVFMx()">; 205 206def HasFastVGETLNi32 : Predicate<"!Subtarget->hasSlowVGETLNi32()">; 207def HasSlowVGETLNi32 : Predicate<"Subtarget->hasSlowVGETLNi32()">; 208 209def HasFastVDUP32 : Predicate<"!Subtarget->hasSlowVDUP32()">; 210def HasSlowVDUP32 : Predicate<"Subtarget->hasSlowVDUP32()">; 211 212def UseVMOVSR : Predicate<"Subtarget->preferVMOVSR() ||" 213 "!Subtarget->useNEONForSinglePrecisionFP()">; 214def DontUseVMOVSR : Predicate<"!Subtarget->preferVMOVSR() &&" 215 "Subtarget->useNEONForSinglePrecisionFP()">; 216 217let RecomputePerFunction = 1 in { 218 def IsLE : Predicate<"MF->getDataLayout().isLittleEndian()">; 219 def IsBE : Predicate<"MF->getDataLayout().isBigEndian()">; 220} 221 222def GenExecuteOnly : Predicate<"Subtarget->genExecuteOnly()">; 223 224// Armv8.5-A extensions 225def HasSB : Predicate<"Subtarget->hasSB()">, 226 AssemblerPredicate<(all_of FeatureSB), "sb">; 227